package org.jetnuke.modules.pictures;

import org.apache.log4j.Logger;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.velocity.VelocityContext;
import org.jetnuke.common.ActionForward;
import org.jetnuke.common.IAction;
import org.jetnuke.common.IAdminInfo;
import org.jetnuke.common.IModuleInfo;
import org.jetnuke.common.IUserInfo;
import org.jetnuke.dao.DataAccessDriver;
import org.jetnuke.entities.Picture;

public class TopRated implements IAction {
	/**
	 * Logger for this class
	 */
	private static final Logger logger = Logger.getLogger(TopRated.class);

	public ActionForward exec(HttpServletRequest request,
			HttpServletResponse response, VelocityContext vc, IModuleInfo info,
			String op, IUserInfo ui, IAdminInfo ai) throws Exception {
		if (logger.isDebugEnabled()) {
			logger
					.debug("exec(HttpServletRequest, HttpServletResponse, VelocityContext, IModuleInfo, String, IUserInfo, IAdminInfo) - start"); //$NON-NLS-1$
		}

		List top = DataAccessDriver.getInst().newPictureDAO().getTop(20);

		vc.put("top", top);

		Iterator it = top.iterator();
		HashMap averageMap = new HashMap();
		HashMap approxMap = new HashMap();
		while (it.hasNext()) {
			Picture picture = (Picture) it.next();

			double average = ((double) picture.getPIC_RATING())
					/ ((double) picture.getVOTES());

			averageMap.put(new Integer(picture.getPID()), new Double(average));
			int approx = (int) (average + 0.5d);

			approxMap.put(new Integer(picture.getPID()), new Integer(approx));

		}
		vc.put("averageMap", averageMap);
		vc.put("approxMap", approxMap);

		ActionForward returnActionForward = new ActionForward(op, info);
		if (logger.isDebugEnabled()) {
			logger
					.debug("exec(HttpServletRequest, HttpServletResponse, VelocityContext, IModuleInfo, String, IUserInfo, IAdminInfo) - end"); //$NON-NLS-1$
		}
		return returnActionForward;
	}

}
